Fig. 4From: Investigation of the response of Platycodongrandiflorus (Jacq.) A. DC to salt stress using combined transcriptomics and metabolomicsMetabolomic analysis of differences among different salt stress treatments. (a) The PCA of all metabolites expressed in P. grandiflorus under different levels of salt stress; (b) Heat map of metabolite enrichment under salt stress; (c) Venn diagram showing the number of differentially abundant metabolites among different treatments; KEGG pathway analysis of differentially abundant metabolites in (d) S1, (e) S2, and (f) S3 compared with the controlBack to article page